A rebuilt 1950's era EMD GP 9 roadswitcher from the former Atchinson, Topeka & Santa Fe Railroad, is viewed switching piggyback cars on the south hump, at the former A,T & S,F Railroad Corwith Yard in Chicago's Brighton Park neighborhood.

Notice the caboose coupled on to the rear of the locomotive. This photo was taken from on top of the concrete viaduct, t the intersection of West 47th Street and South Archer Avenue in Chicago Illinois USA.